Working lamp



FIG. 1 is a perspective view of a working lamp showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and

FIG. 7 is a bottom view thereof;

FIG. 8 is another perspective view thereof, wherein a stand of the present design is stretched out; and,

FIG. 9 is another perspective view thereof, wherein the stand of the present design is stretched out.

The figures show contrasting appearance, but no particular color is claimed. 

CLAIM The ornamental design for a working lamp, as shown and described. 